*SUPPORT*
IN: zup OUT: BLUE
IN: wif fep tufa gazzer zup OUT: GREEN PURPLE GREEN BLUE
IN: tufa fep zup OUT: BLUE GREEN BLUE
IN: lug OUT: PINK
IN: wif lug zup gazzer zup OUT: PURPLE PINK BLUE BLUE
IN: wif lug fep tufa OUT: PURPLE GREEN PINK GREEN
IN: wif fep wif OUT: PURPLE PURPLE PURPLE
IN: zup zup OUT: BLUE BLUE
IN: tufa OUT: GREEN
IN: lug fep lug OUT: PINK PINK PINK
IN: zup gazzer lug OUT: BLUE PINK
IN: lug fep tufa gazzer tufa OUT: GREEN PINK GREEN GREEN
IN: lug wif fep wif gazzer zup gazzer wif OUT: PINK PURPLE PURPLE PURPLE BLUE PURPLE
IN: wif zup zup fep wif gazzer wif OUT: PURPLE BLUE PURPLE BLUE PURPLE PURPLE

*QUERY*
IN: wif OUT: PURPLE
IN: wif blicket OUT: PURPLE PURPLE PURPLE
IN: tufa gazzer tufa OUT: GREEN GREEN
IN: lug fep tufa OUT: GREEN PINK GREEN
IN: tufa gazzer lug blicket OUT: GREEN PINK GREEN PINK GREEN PINK
IN: lug blicket OUT: PINK PINK PINK
IN: lug tufa zup gazzer lug OUT: PINK GREEN BLUE PINK
IN: wif fep tufa OUT: GREEN PURPLE GREEN
IN: lug lug blicket gazzer wif gazzer zup OUT: PINK PINK PINK PINK PINK PINK PURPLE BLUE
IN: tufa wif tufa OUT: GREEN PURPLE GREEN

*GRAMMAR*
tufa -> GREEN 
 wif -> PURPLE 
 lug -> PINK 
 zup -> BLUE 
 x1 gazzer u1 -> [x1] [u1] 
 x1 blicket -> [x1] [x1] [x1] 
 u1 fep u2 -> [u2] [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 